As he prepares to walk away, Cambara remarks that they are close to an open-air market.

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One group recently attacked several stallholders at an open-air market in Rafina, a port near Athens, after posing as plain-clothes police checking their permits.

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Other blasts erupted in the Baghdad neighborhood of al-Amin, in an open-air market in Husseiniya, just northeast of the capital, and in the Kamaliya area in Baghdad's eastern suburbs.

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In Brixton, a south London neighbourhood, an open-air cannabis market exists within ten minutes' walk of the underground station.

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The recent food scares have also led to tightening food safety regulations, limiting what can and can't be sold on and off the farm, and how producers have to package their food -- a restriction that is especially challenging at an open-air farmers market, Fahy said.

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